Stainless Steel Tubes for Hydraulic Instrumentation
VIEW MORE+Super Austenitic 254SMO precision tube is a highly corrosion-resistant special stainless steel alloy known for its excellent corrosion resistance, particularly in corrosive environments and high-temperature applications.
1. Basic Introduction of Super Austenitic 254SMO Precision Tubes:
Super Austenitic 254SMO is a highly corrosion-resistant special stainless steel alloy known for its excellent corrosion resistance, particularly in corrosive environments and high-temperature applications. The 254SMO alloy is primarily composed of iron (Fe) and contains chromium (Cr), nickel (Ni), molybdenum (Mo), copper (Cu), and nitrogen (N) among other elements to enhance its corrosion resistance.
Super Austenitic 254SMO precision tubes are advanced tubing solutions renowned for their exceptional corrosion resistance and high strength, primarily composed of nickel, chromium, molybdenum, and nitrogen. Designed for critical applications in aggressive environments, such as those containing chlorides, acids, and seawater, these tubes offer superior performance in industries like chemical processing, oil and gas, pulp and paper, and desalination plants. Their precise manufacturing ensures uniformity in dimensions and surface finish, making them suitable for applications where precision is crucial. With outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, along with high strength properties, Super Austenitic 254SMO precision tubes provide long-term durability, reliability, and versatility for demanding industrial requirements.
2. Common Specifications of Super Austenitic 254SMO Precision Tubes:
- Outer Diameter Range: 3mm - 219mm
- Wall Thickness Range: 0.5mm - 20mm
- Length: Typically 6 meters, but can also be customized according to customer requirements.
3. Corresponding Grades for Super Austenitic 254SMO Precision Tubes:
- UNS S31254
- W.Nr. 1.4547
- ASTM A312 TP254 SMO
- EN 1.4547
4. Chemical Composition of Super Austenitic 254SMO Precision Tubes:
Element |
Content (%) |
Iron (Fe) |
Balance |
Chromium (Cr) |
20.0 - 21.0 |
Nickel (Ni) |
17.5 - 18.5 |
Molybdenum (Mo) |
6.0 - 6.5 |
Copper (Cu) |
0.5 - 1.0 |
Nitrogen (N) |
0.18 - 0.22 |
Manganese (Mn) |
≤ 1.00 |
Silicon (Si) |
≤ 0.80 |
Sulfur (S) |
≤ 0.010 |
Phosphorus (P) |
≤ 0.030 |
5. Mechanical and Physical Properties of Super Austenitic 254SMO Precision Tubes:
Property |
Typical Value |
Density (g/cm³) |
8 |
Youngs Modulus (GPa) |
195 |
Yield Strength (MPa) |
≥ 300 |
Tensile Strength (MPa) |
≥ 650 |
Elongation (%) |
≥ 35 |
Hardness (Brinell) |
≤ 270 |
Thermal Expansion (20-100°C) |
16.5 x 10^-6 /°C |
6. Relevant Production Standards for Super Austenitic 254SMO Precision Tubes:
- ASTM A312 / A312M - Standard specification for seamless, welded, cold drawn, and cold-rolled precision tubes made of stainless steel.
- ASTM A269 / A269M - Standard specification for general service seamless and welded stainless steel precision tubes.
- EN 10216-5 - European standard for technical delivery conditions of stainless steel precision tubes.
7. Characteristics of Super Austenitic 254SMO Precision Tubes:
- Excellent corrosion resistance, particularly in acidic and chloride-rich environments.
- Combines high-temperature strength with corrosion resistance, making it suitable for high-temperature and corrosive atmospheres.
- Exceptional resistance to stress corrosion cracking, suitable for high-pressure equipment.
- Easy to machine and weld with good workability.
8. Applications of Super Austenitic 254SMO Precision Tubes:
- Chemical Industry: Used for handling corrosive media containing chlorides such as sodium chloride, sulfuric acid, etc.
- Marine Engineering: Suitable for seawater coolers, seawater desalination equipment, etc.
- Oil and Gas Industry: Used in subsea pipelines, offshore platforms, and petroleum processing equipment.
- Food Processing: Suitable for food processing equipment as it does not adversely affect food.
- Pharmaceutical Industry: Used in pharmaceutical equipment that requires high hygiene and corrosion resistance.
Stainless Steel Tubes for Hydraulic Instrumentation
VIEW MORE+Small-Diameter Heavy-Wall Tube|Heavy-Wall Tubing
VIEW MORE+Super Austenitic 904L tubes|Super Austenitic 904L precision tubes
VIEW MORE+请输入搜索关键字
确定